Designed for vlogging, live streaming and near limitless expansion Media Mod transforms your Hero camera into a production powerhouse. It features a built-in directional mic for enhanced voice capture, 3.5mm mic port, Hdmi-out for playback on external monitors, plus two cold-shoe mounts for lights, Lcd screens or additional mics. Built tough and weather-resistant, even the wind is no match for this mod. The removable foam mic cover suppresses wind gust up to 20 mph (32 kph)..